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sinoatrial node

si·no·a·tri·al node
S s

Transcription

    • US Pronunciation
    • US IPA
    • [sahy-noh-ey-tree-uh l, sahy-]
    • /ˈsaɪ noʊˈeɪ tri əl, ˌsaɪ-/
    • US Pronunciation
    • US IPA
    • [sahy-noh-ey-tree-uh l, sahy-]
    • /ˈsaɪ noʊˈeɪ tri əl, ˌsaɪ-/

Definitions of sinoatrial node words

  • noun sinoatrial node a small mass of tissue in the right atrium functioning as pacemaker of the heart by giving rise to the electric impulses that initiate heart contractions. 1
  • noun sinoatrial node pacemaker (sense 2) pacemaker (sense 2a) 0
See all 2 definitions of sinoatrial node

Information block about the term

Origin of sinoatrial node

First appearance:

before 1920
One of the 12% newest English words
1920-25; sino- + atrial

Historical Comparancy

Parts of speech for Sinoatrial node

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
Full grammatical hierarchy of Sinoatrial node

sinoatrial node popularity

This term is known only to a narrow circle of people with rare knowledge. Only 5% of English native speakers know the meaning of this word.
According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

sinoatrial node usage trend in Literature

This diagram is provided by Google Ngram Viewer

See also

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